Visitors to an industrial fair in Nanning, Guangxi, observe an industrial robot working in this file photo. China’s industrial robot output increased 9.3 percent year on year in the first nine months of this year, a slower growth rate than in the January-August period, according to  the Ministry of Industry and Information Technology. China’s robotics industry has maintained an average annual output growth rate of nearly 30 percent over the past five years.Xinhua